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module-echo-cancel: Wire up the webrtc echo canceller

Browse source 
Mostly uses the existing infrastructure, but the webrtc canceller has a
fixed blocksize, so we:

  1. Use the canceller blocksize if configured
  2. Accumulate output data in a ringbuffer
  3. Push out the data in the required chunk size
This commit is contained in:
Arun Raghavan 2021-05-28 11:28:03 -04:00
parent 1349d5334d
commit d95870d8d3
9 changed files with 247 additions and 69 deletions
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9
src/modules/module-echo-cancel/echo-cancel.h
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@ -22,14 +22,19 @@
* DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <spa/utils/dict.h>
#include <spa/param/audio/raw.h>
#include <pipewire/properties.h>
struct echo_cancel_info {
const char *name;
const struct spa_dict info;
const char *latency;
void *(*create) (struct spa_dict *info, uint32_t channels);
void *(*create) (const struct pw_properties *args, const struct spa_audio_info_raw *info);
void (*destroy) (void *ec);
int (*run) (void *ec, const float *rec[], const float *play[], float *out[], uint32_t n_samples);
@ -39,5 +44,7 @@ struct echo_cancel_info {
#define echo_cancel_destroy(i,...) (i)->destroy(__VA_ARGS__)
#define echo_cancel_run(i,...) (i)->run(__VA_ARGS__)
#ifdef HAVE_WEBRTC
extern const struct echo_cancel_info *echo_cancel_webrtc;
#endif
extern const struct echo_cancel_info *echo_cancel_null;